<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>登录信息</h1>
<div>
  <input type="text" name="username" placeholder="请输入姓名" v-model="user.username">
  <input type="password" name="password" placeholder="请输入密码" v-model="user.password">
  <input type="button" value="登录" @click="login()">
</div>
<script src="js/vue.js"></script>
<script src="js/axios.min.js"></script>
<script>
   let v = new Vue({
     el:"div",
     data:{
             user:{
               username:"",password:""
             }
     },methods:{
       login(){
         axios.post("/login",v.user).then(function (response){
            if(response.data==1){
               alert("登录成功")
            }else if(response.data==2){
              alert("用户名不存在")
            }else if(response==3){
              alert("密码错误")
            }
         })
       }
     }
   })
</script>
</body>
</html>